Abstract:laWt man so lange stehen, bis im DC kein Carbodiiniid melir nachweisbar ist. Dann wird das Ldsungsmittel im Vakuum nbgezogen und der Ruckstand ahgekiihlt. Hri der Umkristnllisntion lrann der gebildete Dicyciohexylllarnstoff abgetrennt werden. a b C d e 9 h j k 1 f z ?)l Li t r r a t u r [l] Stephen, A.: hfh. Chem. 97 (1966) 696 [2] Bihlmayer, G . A.; L)erflinger,L).; Derkosch, J . ; YolanskG, C . E.: nul. Chem. 98 (1967) 664 eingpgangen a m 15.
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